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C-/C++-Quelltext

void Player::ChangeDirection(Direction dir)
{
    // Darf nicht komplett die Richtung ändern (von UP zu DOWN, ...)
    if ((direction == UP && dir == DOWN) ||
        (direction == LEFT && dir == RIGHT) ||
        (direction == RIGHT && dir == LEFT) ||
        (direction == DOWN && dir == UP))
    {
        return;
    }
    direction = dir;

}

C-/C++-Quelltext

void ChangeDirection(Direction dir);

C-/C++-Quelltext

enum Direction
{
    UP,
    DOWN,
    LEFT,
    RIGHT
};

C-/C++-Quelltext

// In der board.cpp

    switch (event.key.code)
    {
    case sf::Keyboard::Up:
        direction_selected = UP;
        break;

    case sf::Keyboard::Down:
        direction_selected = DOWN;
        break;

    case sf::Keyboard::Left:
        direction_selected = LEFT;
        break;

    case sf::Keyboard::Right:
        direction_selected = RIGHT;
        break;

    default:
        break;
    }

C-/C++-Quelltext

#ifndef BOARD_HPP
#define BOARD_HPP

#include <SFML\Graphics.hpp>
#include <memory>

enum Cell
{
    EMPTY,
    FOOD,
    SNAKE
};

enum Direction
{
    UP,
    DOWN,
    LEFT,
    RIGHT
};

class Player;   // Vorwärtsdeklaration

class Board
{
public:
    Board();
    ~Board();

    bool Update_Board();            // Updatet das Spielfeld

    void Change_Direction(const sf::Event& event);


    // getter
    Cell Get_Cell(int x, int y);
    int Get_Length();
    int Get_Score();

private:
    void Place_Food();

private:
    std::unique_ptr<Player> mPlayer;

protected:
    Cell board[40][40];                 // Spielfeld
    Direction direction_selected;       // Bestimmt in welche Richtung der Spieler gezeichnet werden soll
};

#endif

C-/C++-Quelltext

#ifndef PLAYER_HPP
#define PLAYER_HPP

#include <deque>

#include "board\include\board.hpp"

struct Point
{
    int x;
    int y;
};

class Game;

class Player : protected Board
{
public:
    Player();
    ~Player();

    bool Update();
    
    // getter
    bool getIsAlive()   { return alive; };
    Point GetHeadPosition();
    Point GetTailPosition();
    int GetLegth();


    // setter
    void setIsAlive(bool isAlive)   { alive = isAlive; }

    std::deque<Point> body; // Alle Koordinaten von der Schlange
    Direction direction;

private:
    void ChangeDirection(Direction dir);
    void loadPlayer();
    void setStartPos();
    void RemoveTail();

private:
    float StartXHead;
    float StartYHead;

    float ElapsedTime;

    int   Direction;    // Richtung, in der sich der Kopf bewegt
    int   Length;       // Länge des Spielers

    bool alive;

};

#endif